Ratings: Dancing Finale Takes 17 Percent Dip

Dancing with the Stars by Kelsey McNeal/ABC
Tuesday's highlights:
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Idol's final Season 7 performance show delivered 26.07 million total viewers, a six percent year-over-year increase.
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NCIS drew 16.35 mil to its two-hour season-ender, a week-to-week gain of 11 percent and its biggest audience since Nov. 27.
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Dancing with the Stars took a final bow before an audience of 19.94 mil, down 17 percent from the Season 5 finale.
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Hell's Kitchen hit a new series high of 12.6 mil.
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Reaper (2.69 mil) wrapped up its freshman run with a 690K gain.
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Shark took its final swim with 10.55 mil viewers, a 350 thou increase.
Related:
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Matt Roush reflects on Idol, Dancing
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Backstage at Dancing: No Hard Feelings!
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Cheers & Jeers jabs at Idol's overdone boxing metaphor